JPH11211177A - Ventilation system and ventilation method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ventilation system and a ventilation method that appropriately maintain air in a building and do not require large facility costs. SOLUTION: A ventilation system of a building is provided with a plurality of rooms 11, 12, 13, 21, and 22 and spaces 14 and 23 such as a corridor being adjacent to the rooms 11, 12, 13, 21, and 22, a staircase hall, and the like. The system is provided with ventilation fans 111 and 121 for feeding air to the spaces 14 and 23 and the all rooms 11, 12, 13, 21, and 22 through a gap that penetrates the inside and outside of the building from outdoors and evacuating air outdoors forcibly through some rooms 11 and 12 from the spaces 14 and 23, and openings 132, 213, and 223 for evacuating air from the other rooms 13, 21, and 22 to the spaces 14 and 23.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation system and method for a multi-storey building having a plurality of rooms and a common space such as a corridor or a staircase adjacent to each of the rooms.

[0002]

2. Description of the Related Art Recently, as a building is airtight, a ventilation system for ventilating the whole building is required. As an example of such a ventilation system, for example, Japanese Patent Laid-Open No. 7-10
No. 3537 discloses a ventilation system that does not use a duct. Further, for example, Japanese Patent Publication No. 2-55692 discloses a ventilation system using a duct.

[0003]

However, in the ventilation system disclosed in the former Japanese Patent Application Laid-Open No. 7-103537, it is necessary to provide one or more air supply / exhaust ports on the outer wall of each room. It is necessary to provide a hood to prevent rain and pests from entering. For this reason, a large number of openings and hoods must be provided on the outer wall, and both construction costs and material costs are high. This also impairs the appearance of the building.

Further, in the ventilation system disclosed in Japanese Patent Publication No. 2-55692, the air supply duct and the exhaust duct must be provided, and the construction cost and the material cost are extremely high. In addition, if dirt accumulates in the air supply duct, the air in the building is contaminated, which may impair the health of people in the building.

The present invention has been made in view of the above-mentioned problems in the conventional ventilation system, and an object of the present invention is to solve the problems in the above-mentioned conventional ventilation system.
It is an object of the present invention to provide a ventilation system and a ventilation method which keep the air in a building good and do not increase equipment costs.

[0006]

In order to achieve the above object, a ventilation system according to the present invention has a plurality of rooms and a common space such as a corridor or a staircase adjacent to these rooms. A ventilation system for a building, in which air is supplied from outside to a room passing through the inside and outside of the building to all rooms requiring the common space and ventilation, and exhausted from the space to the outside through any room, Forcibly evacuating means provided in any one of the rooms, the other room and the common space are not provided with the forced evacuating means to evacuate from the other room where the forced evacuating means is not provided to the common space. And exhaust means provided between them.

[0007] The ventilation system according to the second aspect of the present invention includes a first room and a second room facing the outside, respectively, and a third room on the higher floor than the first room facing the outside. A room, another room, and a ventilation system for a multi-storey building having a common space such as a corridor communicating with the multi-story floor, a stair hall, or the like, adjacent to the first to third or other rooms, The first room is provided with first forced exhaust means for making the first room the most negative pressure in the building, making the third room also the negative pressure through the common space, and exhausting the air outside. The second room is provided with a second forced exhaust means that makes the second room a negative pressure than the common space and exhausts the air to the outside, and the third room removes the air in the third room from the common space. A third forced exhaust means is provided for exhausting air through the inside and outside of the building depending on the first and second forced exhaust means. And it is characterized in that is adapted to be air supply through.

According to a third aspect of the present invention, there is provided the ventilation system according to the third aspect of the present invention, wherein the first room and the second room face the outside, respectively, and the third room on the higher floor than the first room faces the outside. A room, a fourth room facing the outside, on the same floor or lower floor as the first room, and other rooms, and a corridor, a stair hall, etc., adjacent to each of these rooms and communicating with the multi-story floor. A ventilation system for a multi-storey building having a common space, wherein the first room has the first room in the building at the most negative pressure, and the third and fourth rooms are connected via the common space. A first forced exhaust means is also provided to make the second room a negative pressure than the common space and exhaust to the outside in the second room. Is provided, and the third room is provided with third forced exhaust means for exhausting air in the third room to the common space. The fourth room is provided with fourth forced exhaust means for exhausting the air in the fourth room to the common space, and through a gap penetrating the inside and outside of the building by the negative pressure generated by the first and second forced exhaust means. It is characterized in that each room is supplied with air.

According to a fourth aspect of the present invention, there is provided a ventilation system for a multi-story building having a plurality of rooms and a common space such as a corridor or a staircase adjacent to the rooms. In order to supply air from the outside to the common space and all the rooms requiring ventilation through a gap penetrating the inside and outside of the building, and to exhaust air from the common space to the outside through any of the rooms, A first forced exhaust means is provided, and the common space is connected to another room not provided with the first forced exhaust means in order to exhaust air from another room not provided with the first forced exhaust means to the common space. And a second forced exhaust means is provided between the first and second exhaust pumps.

[0010] The ventilation method according to the present invention described in claim 5 is characterized in that:
The first and second forced exhaust means are constantly operated by using the ventilation system according to the fourth aspect.

According to a sixth aspect of the present invention, there is provided a ventilation system for a multi-story building having a plurality of rooms and a common space such as a corridor or a staircase adjacent to the rooms. In order to supply air from the outside to the common space and all the rooms requiring ventilation through a gap penetrating the inside and outside of the building, and to exhaust air from the common space to the outside through any of the rooms, A first forced exhaust means is provided, and the common space is connected to another room not provided with the first forced exhaust means in order to exhaust air from another room not provided with the first forced exhaust means to the common space. A second forced exhaust means is provided between the first and second rooms, and in all rooms requiring ventilation in the upper floor, a detecting means for detecting the presence of a person in the room is provided, and according to a result of the detecting means, First and second
A control means for increasing or decreasing the exhaust amount of any one of the forced exhaust means.

The ventilation method of the present invention according to claim 7 is characterized in that:
When the first forced exhaust means is constantly operated using the ventilation system according to claim 4, and the detecting means detects the presence of a person in the room, the first exhaust means exhausts the room provided with the detecting means. Or increasing the displacement of the first forced exhaust means
Alternatively, the present invention is characterized in that the second forced exhaust means is operated.

The ventilation method of the present invention according to claim 8 is
The first and second forced exhaust means are constantly operated using the ventilation system according to claim 4, and when the detecting means detects the presence of a person in the room, the exhaust of the room provided with the detecting means is performed. Is performed by increasing the exhaust amount of the first or second forced exhaust means.

According to a ninth aspect of the present invention, in the ventilation system of the first, second, third, fourth, or sixth aspect, the opening area of the gap passing through the inside and outside of the building has a floor area of one square meter of the building. The average is 2 to 6 square centimeters.

[0015] The ventilation method of the present invention according to claim 10 is as follows.
A ventilation method for a building having a plurality of rooms and a common space such as a corridor adjacent to each of these rooms and a staircase hall,
Air is supplied from the outside to the common space and all the rooms requiring ventilation through a gap penetrating the inside and outside of the building, and is forcibly exhausted from the common space to the outside through any room, and is connected to other rooms. The air is exhausted to the common space.

The ventilation method of the present invention according to claim 11 is
The ventilation method according to claim 10, wherein the opening area of the gap passing through the inside and outside of the building is an average of 2 to 6 square centimeters per square meter of the floor area of the building.

In the present invention, the forced exhaust means includes:
What has been conventionally used as a means for forced exhaust can be used as it is, and is not particularly limited. For example, a ventilation fan, that is, a propeller fan, a sirocco fan, an axial fan, a centrifugal fan, a mixed flow Any type of fan, such as a fan or a cross flow fan, may be used, but in a typical house, a kitchen range hood fan, a toilet or a bathroom ventilation fan, or the like can be used.

It is preferable that the air flow rate of the fan can be adjusted within a range of about 0 m ³ / h (stop) to about 200 m ³ / h, and it is preferable that the air flow rate can be appropriately selected depending on the size of the room, living conditions, and the like. The air volume is preferably variable, and may be set as desired, or may be automatically changed according to the situation. The driving control method may be any method as long as the air flow can be controlled by, for example, inverter control, voltage control, ON-OFF intermittent control, and the like. The air flow setting can be changed according to the size of the room, living conditions, etc. It may be settable. Further, the surrounding situation may be detected by a sensor or the like and automatically changed.

The exhaust means for exhausting air from the room to the common space is not particularly limited as long as it can exhaust air from the room to the common space, and is not particularly limited. The use of means is preferred for ventilation. In particular, a cross-flow fan is preferable in design because it can be stored between narrow partitions. However, as long as the amount of exhaust from the room to the common space is sufficient without using the forced exhaust means, only an opening capable of exhausting at the boundary between the room and the common space may be provided.

The provision of the exhaustable opening at the boundary between the room and the common space as described above is similarly preferable in terms of ventilation, regardless of whether the room is provided with a forced exhaust means.

The gap penetrating inside and outside the building is usually a joint between a wall and a column, a joint between walls, or
Since there is a gap in a window, a door, or the like, such a gap is used, and an artificial opening provided intentionally is not included.

According to the first aspect of the present invention, any room may be selected in a house, such as a kitchen, a bathroom, a toilet, or the like, which requires particularly ventilation, and the other room may be selected in a house. For example, a living room that needs ventilation, such as a living room, a bedroom, and a children's room, may be selected.

In the invention according to claims 2 and 3, the first room may be selected, for example, in a house, such as a kitchen or the like, where the air is most polluted in daily life.
As the second room, for example, a room that is relatively contaminated with air, such as a bathroom or a toilet, may be selected, and the third and fourth rooms are rooms other than the first and second rooms, What is necessary is just to select a living room, such as a living room, a bedroom, and a children's room, which needs ventilation.

In the invention according to claims 7 and 8, the forced exhaust means is always operated, and the forced exhaust means may be operated continuously or intermittently.

According to the ninth and eleventh aspects of the present invention,
The opening area of the gap passing through the inside and outside of the building is set to an average of 2 to 6 square centimeters per square meter of the floor area of the building, because the existence of the gap is inconspicuous and ventilation is appropriate. That is, in a house having a floor area of about 100 square meters, required ventilation can be expected without providing an air supply opening.
In such a case, since the influence of the airflow due to the temperature difference between the inside and outside of the building is small, planned ventilation can be expected over a plurality of floors.

When the opening area of the gap exceeds 6 square centimeters on average, excess air passes through the room,
Energy during cooling and heating may be wasted,
In addition, due to the temperature difference between the inside and outside, for example, airflow from the lower floor to the upper floor is generated, so that sufficient ventilation of the upper floor cannot be expected. If the opening area of the gap is less than 2, the ventilation with fresh air may not be sufficiently expected.

[0027]

In the ventilation system according to the first aspect of the present invention, air is supplied from outside to a common space such as a corridor adjacent to each room, a staircase hall, and all rooms through gaps penetrating inside and outside the building. Since the forced exhaust means for exhausting air from any of the rooms to the outside is provided, fresh outdoor air is taken into the common space and all the rooms through a gap penetrating inside and outside the building, and further, the common space And the dirty air in any of the rooms is discharged outside.

Further, since an exhaust means for exhausting air from another room to the common space is provided, the other room is exhausted to the common space so that the dirty air in the other room is exhausted through the common space. Is done.

In this manner, all the rooms and the common space are supplied with air through the gap penetrating the inside and outside of the building and exhausted from all the rooms and the common space, so that all the rooms and the common space are replaced with fresh air.

In the ventilating system according to the second aspect of the present invention, the first room has the lowest negative pressure in the building and the third room also has a negative pressure through the common space. A first forced exhaust means is provided for exhausting the air to the outside, and the second room is provided with a second forced exhaust means for exhausting the second room to a pressure lower than that of the common space and exhausting to the outside. The third room is provided with a third forced exhaust means for exhausting the air in the third room to a common space, and the first and second forced exhaust means supply air through a gap penetrating inside and outside the building. For example, by selecting a room, such as a kitchen, where air is most polluted in daily life, the kitchen, etc., can be best ventilated.

The second room can be ventilated by selecting a room, such as a bathroom or a toilet, which is relatively polluted in daily life. Also, the third
The room can be ventilated by selecting, for example, a living room, a bedroom, a children's room, or the like as the room.

In the ventilation system according to the present invention, the first room has the lowest pressure in the building at the lowest pressure, and the third and fourth rooms have a common space. Is also provided with a first forced exhaust means for exhausting the air to a negative pressure,
In the second room, the second room has a lower pressure than the common space,
A second forced exhaust means for exhausting air to the outside is provided, and a third room for exhausting air in the third room to a common space in the third room.
The fourth chamber is provided with fourth forced exhaust means for exhausting air in the fourth room to a common space, and the negative pressure generated by the first and second forced exhaust means is provided in the fourth chamber. Is supplied through a gap penetrating the inside and outside of the building, so that, for example, a kitchen or the like is best selected by selecting a room such as a kitchen where air is most polluted in daily life. Can ventilate.

The second room can be ventilated by selecting a room, such as a bathroom or toilet, which is relatively contaminated in daily life. In addition, the living room can be ventilated by selecting, for example, a living room, a bedroom, a child room, or the like as the third and fourth rooms.

Further, in the ventilation system according to the present invention, air is supplied from outside to the common space and all the rooms requiring ventilation through a gap penetrating inside and outside the building, and any one of the common space is supplied from the common space. A first forced exhaust means is provided in one of the rooms for exhausting to the outside through the room, and a second forced exhaust means is provided for exhausting from the other room where the first forced exhaust means is not provided to the common space. Since the second forced exhaust means is provided between the other room where the first forced exhaust means is not provided and the common space, the common space is operated by operating the first and second forced exhaust means. And all rooms that need ventilation can be ventilated.

In the ventilating method according to the fifth aspect of the present invention, the first and second forced exhaust means are operated at all times. Room.

In the ventilation system according to the present invention, air is supplied from the outside to the common space and all the rooms requiring ventilation through a gap penetrating the inside and outside of the building. A first forced exhaust means is provided in one of the rooms for exhausting to the outside through the room, and a second forced exhaust means is provided for exhausting from the other room where the first forced exhaust means is not provided to the common space. A second forced exhaust means is provided between the other room where the first forced exhaust means is not provided and the common space, and all the rooms which need upper-level ventilation are provided with a room for a person in the room. Detecting means for detecting the presence is provided, and first and second detection means are provided in accordance with a result of the detecting means.
Since the control means for increasing or decreasing the exhaust amount of one of the forced exhaust means is provided, it is possible to efficiently ventilate the room where the person is present by detecting the presence of the person in the room by the detecting means. it can.

In the ventilation method according to the present invention, the first forced exhaust means is constantly operated, and the detecting means detects the presence of a person in the room. When the detection is performed, the amount of exhaust of the first forced exhaust means is increased to exhaust the room in which the detecting means is provided, or the second forced exhaust means is operated. By detecting the presence of a person in the room by the means, the room where the person exists can be efficiently ventilated.

In the ventilating method according to the present invention, the first and second forced exhaust means are constantly operated, and when the detecting means detects the presence of a person in the room, the detecting means is activated. The first or second to exhaust the room provided
, The exhaust volume of the forced exhaust means is increased, so that the presence of a person in the room is detected by the detection means, whereby the room where the person is present can be efficiently ventilated.

In the ventilation system according to the ninth aspect of the present invention, the opening area of the gap passing through the inside and outside of the building is an average of 2 to 6 square centimeters per square meter of the floor area of the building. And
An appropriate amount of fresh outdoor air is drawn into the common space and room through such gaps.

In the ventilation method according to the tenth aspect, air is supplied from the outside to the common space and all the rooms requiring ventilation through a gap penetrating the inside and outside of the building, and the air is supplied from any of the rooms to the outside from the common space. In addition to forcibly exhausting air from the room and exhausting air from another room to the common space, all rooms and the common space requiring ventilation are replaced by fresh outdoor air.

In the ventilation method according to the eleventh aspect of the present invention, the opening area of the gap passing through the inside and outside of the building is 2 to 6 cm 2 on average per square meter of the building outer surface. An appropriate amount of fresh outdoor air is drawn into the common space and all rooms through such gaps.

[0042]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory diagram showing an example of the ventilation system of the present invention. The arrows in the figure explain the flow of air, and the same applies to the following figures.

The building to which the ventilation system of the present invention shown in FIG. 1 is applied is a steel-framed two-story unit house, and a living-dining kitchen (hereinafter referred to as “LD”) is provided on the first floor.
K ”), a shared bathroom (hereinafter“ UT ”)
Room), a living room 13 is provided, and an LDK1 is provided.
1. Corridor / staircase hall 1 between UT room 12 and living room 13
4 are provided.

A door 112 is provided on the boundary wall of the LDK 11 with the corridor staircase hall 14, and an opening 1 is provided below the door 112.
13 are provided. Living room 13 and hallway / staircase hall 1
A door 131 is provided on the boundary wall between the door 4 and an opening 132 below the door 131. Outer wall 1 of LDK11
10 is provided with a ventilation fan (range hood fan) 111 having a built-in forced exhaust fan. A normal ventilation fan 12 with a built-in forced exhaust fan is provided on an outer wall 120 of the UT room 12.
1 is provided. The displacement of the ventilation fan 111 is strong (50
0 m ³ / h), medium (about 350 m ³ / h), weak (about 200
m ³ / h) can be adjusted to three stages, and the constant ventilation is 120 m ³ / h. The displacement of the ventilation fan 121 is 40
m3 / h.

On the second floor, two rooms 21 and 22 and a corridor / staircase hall 23 are provided, and the corridor / staircase hall 23 is connected to the corridor / staircase hall 14 on the first floor. A door 212 is provided on a boundary wall 211 between the living room 21 and the corridor / staircase hall 23, and an opening 213 is provided below the door 212. 2 on the boundary wall between the living room 22 and the corridor / staircase hall 23
Reference numeral 21 denotes a door provided with an opening 2 below the door 222.
23 are provided.

Outer wall 230 of corridor / staircase hall 23 on the second floor
Is provided with a ventilation fan 231 provided with an exhaust fan. The displacement of the ventilation fan 231 is 40 m ³ / h. Boundary wall 21 between rooms 21 and 22 and hallway / staircase hall 23
The inter-room fan 2 is located above the doors 212, 222 of
4 are provided. If a toilet is provided on the second floor and a ventilation fan is provided on the second floor toilet, the ventilation fan 23
1 does not need to be particularly provided.

As shown in FIG. 2, the inter-room fan 24 includes a main body 241, an air suction port 242, a cross flow fan 243, and an air outlet 244. The air outlet 244 is provided with an upward louver 245. Have been. The displacement of the room fan 24 is 140 m ³ / h.

The ventilation system of the present invention shown in FIG.
The DK 11 and the UT 11 are operated by the ventilation fans 111 and 121 provided on the outer walls 110 and 120 of the UT room 12.
Joints and windows between the columns and walls of the outer walls 110, 120 of the chamber 12,
LDK1 from a gap that passes through the inside and outside of the building that exists at the door
1. Air is supplied into the UT chamber 12 as shown by an arrow a.
The opening area of this gap is about 5 cm ² per square meter of the floor area of the building, and this gap is not intentionally formed.

At the same time, a negative pressure is also generated in the living room 13, so that air is supplied to the living room 13 as shown by an arrow a from a gap penetrating the inside and outside of the building existing at the joint between the column and the wall of the outer wall 130 of the living room 13. You. Further, since a negative pressure is also generated in the corridor / staircase hall 14, air is supplied to the corridor / staircase hall 14 from a gap that penetrates the inside and outside of the building existing at the joint between the column and the wall of the outer wall, etc. The air in the living room 13 flows into the corridor / stair hall 14 from the opening 132 below the door 131 provided on the boundary wall of the LDK 11 as shown by the arrow b, and the door provided on the boundary wall of the LDK 11 from the corridor / stair hall 14 1
The air flows into the LDK 11 through an opening 113 below the air outlet 12 and is exhausted by the ventilation fan 111. The opening 132 below the door 131 may not be particularly provided as long as there is a gap in the structure of the fitting such as the door 131.

In this way, the interiors of the first floor LDK 11, UT room 12, living room 13, and corridor / staircase hall 14 are ventilated.

On the second floor, the operation of the ventilation fan 231 and the inter-room fan 24 causes a negative pressure in the corridor / stair hall 23 and the dwelling rooms 21 and 22.
Is supplied through a gap that passes through the inside and outside of the building existing at the joint between the column and the wall of the outer wall 230 and is exhausted by the ventilation fan 231 as shown by the arrow c. Also, as shown in FIG. 3, the living rooms 21 and 22 are supplied with air from the gaps that penetrate the inside and outside of the building at the joints between the columns and the walls of the outer walls 210 and 220 as shown by the arrow a. Then, the air is exhausted by the inter-room fan 24 into the corridor / staircase hall 23 as shown by the arrow e. Some of the air in the corridor / staircase hall 23 is in the living room 2
As shown by an arrow d, the room flows into the living rooms 21 and 22 from the openings below the doors 212 and 222 provided on the boundary wall between the corridor and the staircase hall 23 of the rooms 1 and 22. Thus, 2
The corridor / staircase hall 23 and the rooms 21, 22 on the floor are ventilated. FIG. 11 shows the manner in which the amount of fresh outside air and the amount of indoor air pollutants change over time when the ventilation fans 111 and 121 and the inter-room fan 24 are constantly operated and continuously operated. FIG. 12 shows the ventilation fans 111, 1
The state in which the inflow amount of fresh fresh air and the amount of indoor air pollutants change over time when the air conditioner 21 and the inter-room fan 24 are constantly operated and intermittently operated is shown by a diagram. FIG.
As shown in FIG. 12, by constantly operating the ventilation fans 111 and 121 and the inter-room fan 24, the inflow of fresh outside air increases with the passage of time, and the amount is maintained and the amount of indoor air pollutants decreases. Note that indoor air pollutants include particulate matter such as water vapor, VOC, formaldehyde, and dust.

FIG. 4 is an explanatory view showing another example of the ventilation system of the present invention. In the ventilation system of the present invention shown in FIG. 4, like the ventilation system of the present invention shown in FIG.
An inter-room fan 24 is provided on the boundary wall between the living rooms 21 and 22 on the second floor and the corridor / staircase hall 23 to exhaust air to the corridor / staircase hall 23 as shown by the arrow, as well as the LDK11 on the first floor.
The inter-room fan 15 is also provided on the boundary wall between the corridor and the stairs hall 23 and the boundary wall between the corridor and the stairs hall 23 of the living room 13 to supply air to the LDK 11 and the living room 13 as shown by arrows. is there. The displacement of the inter-room fan 15 is 40 m ³ / h.

In the ventilation system of the present invention shown in FIG. 4, an inter-room fan 15 is also provided on the boundary wall between the corridor / stair hall 23 of the first floor LDK 11 and the boundary wall between the corridor / stair hall 14 of the living room 13. The LDK 11 and the living room 13 are supplied with air as indicated by the arrows. Therefore, even if outside air is excessively introduced by the operation of the ventilation fans 111, 121, 231, the corridor / stair hall is operated by the operation of the inter-room fan 15. Supply air of 14 to LDK 11 and living room 13 and LD
Excessive outside air flowing into K11 and the living room 13 can be suppressed.

FIG. 5 is an explanatory diagram showing still another example of the ventilation system of the present invention. In the ventilation system of the present invention shown in FIG. 5, like the ventilation system of the present invention shown in FIG.
In addition to providing an inter-room fan 24 on the boundary wall with the third room and exhausting it to the corridor / stair hall 23 as shown by the arrow, the inter-room fan is also provided on the boundary wall with the corridor / stair hall 14 of the living room 13 on the first floor. Corridor / stair hall 1 as shown by arrows
4 is exhausted. In addition, room fan 1
The displacement of No. 5 is 40 m ³ / h.

In the ventilation system of the present invention shown in FIG. 5, an inter-room fan 15 is also provided on the boundary wall between the corridor / staircase hall 14 of the living room 13 on the first floor and the hallway / staircase hall 14 as shown by the arrow. Because it was made to exhaust, 1
Even when the fresh outside air in the living room 13 on the floor is insufficient, the amount of fresh fresh air supplied to the living room 13 on the first floor can be increased by operating the inter-room fan 15.

FIG. 6 is an explanatory view showing still another example of the ventilation system according to the present invention. The ventilation system of the present invention shown in FIG. 6 is the same as the ventilation system of the present invention shown in FIG. 1 in the main configuration, and is different from the ventilation system of the present invention shown in FIG. Is provided in place of the ventilation fan 231 on the outer wall 230 on the second floor, and the ventilation fan 251 is provided on the toilet 25 on the second floor. Other configurations are the same as those of the ventilation system of the present invention shown in FIG. It is.

[0057] strength as for the ventilation fan 111 of the first floor of LDK11 local ventilation (about 500m ³ / h), medium (about 350m ³
/ H), weak (about 200 m ³ / h) and a ventilation capacity of about 120 m ³ / h for general ventilation. The ventilation fan 121 of the UT room 12 on the first floor and the ventilation fan 251 of the toilet 25 on the second floor are each about 100 m ³ / h for local ventilation, and about 4 m ³ / h for overall ventilation, respectively.
It has a ventilation capacity of 0 m ³ / h. Living room 2 on the second floor
The air volume of the inter-room fan 24 provided on the boundary wall between the corridors 1 and 22 and the staircase hall 23 is about 140 m ³ / h.

In the ventilation system of the present invention shown in FIG. 6, since the ventilation fan 251 is provided in the toilet 25 on the second floor, the second floor is exhausted to the toilet 25 on the second floor by the ventilation fan 251 as shown by an arrow c. , Ventilated. Others are shown in Figure 1
This is the same as the ventilation system of the present invention shown in FIG.

FIG. 7 is an explanatory view showing still another example of the ventilation system according to the present invention. The ventilation system of the present invention shown in FIG. 7 is the same as the ventilation system of the present invention shown in FIG. 4 in the main configuration, and is different from the ventilation system of the present invention shown in FIG. Is provided in place of the ventilation fan 231 on the outer wall 230 on the second floor, and the ventilation fan 251 is provided on the toilet 25 on the second floor. Other configurations are the same as those of the ventilation system of the present invention shown in FIG. It is.

FIG. 8 is an explanatory view showing still another example of the ventilation system of the present invention. The ventilation system of the present invention shown in FIG. 8 is the same in main configuration as the ventilation system of the present invention shown in FIG. 5, and the configuration different from the ventilation system of the present invention shown in FIG. Is provided in place of the ventilation fan 231 on the outer wall 230 on the second floor, and the ventilation fan 251 is provided on the toilet 25 on the second floor. Other configurations are the same as those of the ventilation system of the present invention shown in FIG. It is.

FIG. 9 is an explanatory diagram showing still another example of the ventilation system of the present invention. The ventilation system of the present invention shown in FIG. 9 is the same as the ventilation system of the present invention shown in FIG. 6 in the main configuration, and is different from the ventilation system of the present invention shown in FIG. Also, a ventilation fan 231 is provided, and the other configuration is the same as the ventilation system of the present invention shown in FIG.
The air volume of the ventilation fan 231 is 40 m ³ / h.

In the ventilation system of the present invention shown in FIG. 9, the ventilation fan 231 is also provided on the outer wall 230 on the second floor, so that the operation of the ventilation fans 111, 121 and 251 does not make the inside of the building a sufficient negative pressure. Also, the inside of the building can be made sufficiently negative by the operation of the ventilation fan 231.

FIG. 10 is an explanatory view showing still another example of the ventilation system according to the present invention. In the ventilation system of the present invention shown in FIG.
6 is different from the ventilation system of the present invention shown in FIG. 6 in that a person-sensing sensor 241 for detecting the presence of a person on the ceiling surface of the living rooms 21 and 22 on the second floor is provided. 242 are installed respectively, and the sensors 241 and 242 are connected to the inter-room fans 24 and 24 by electric wires 243 and 244, respectively. Other configurations are the same as those of the ventilation system shown in FIG. .

The ventilation fan 111, which is the first forced exhaust means, is strong (about 500 m ³ / h) for local ventilation and medium (about 350 m ³ / h).
³ / h), in addition to the three stages of the exhaust amount of the weak (about 200m ³ / h), as for always ventilation "generous (about 160m ³ /
h), “normal (about 120 m ³ / h)” and “small (about 80 m ³ / h)”. Note that the three-stage displacement for constant ventilation is appropriately set according to the size of the building and the like. Normally, ventilation is always performed with a displacement for ventilation, and when the LDK 11 is used, ventilation can be performed with a displacement for local ventilation.

The inter-room fan 2 as the second forced exhaust means
4, 24 is strong (about 140m ³ / h), weak (about 70m ³ /
h) The exhaust performance of the two-stage displacement is provided. As the sensation sensors 241, 242, for example, a pyroelectric type, a thermocouple type, an infrared reflection type, or an ultrasonic type may be used. In FIG. 13, when the ventilation fans 111, 121, 251 and both the inter-room fans 24, 24 are constantly operating, the inter-room fan 2 is detected by the detection of the two sensors 241, 242.
4 and 4 show a mode in which the displacement increases or decreases.

FIG. 14 shows the ventilation fans 111, 121 and 251.
When the vehicle is constantly operating, both sensors 241 and 24
2 shows a mode in which the inter-room fans 24, 24 start or stop operating in response to the detection of No. 2. For example, a person is living room 2 on the second floor
If there is a time lag before the air in the rooms 21 and 22 on the second floor becomes dirty after entering the rooms 1 and 22, the sensor 2
The inter-room fans 24, 24 may be started or stopped out of phase with respect to the detection of 41, 242.

As described above, in the ventilation system shown in FIG. 10, the amount of ventilation can be increased / decreased in accordance with the entry of a person into the room, and the ventilation can be performed efficiently, which is economical.

Although the embodiment of the present invention has been described with reference to the drawings, the specific configuration of the present invention is not limited to the illustrated embodiment, and design changes within the scope of the present invention may be made. Included in the invention.

For example, instead of having a two-story building as in the illustrated embodiment, a high-rise building having three or more floors may be used. Alternatively, the area of the opening below the door may be adjustable so that the amount of air passing through the opening can be adjusted.

[0070]

According to the ventilation system of the present invention, fresh air outside is taken into the common space and all the rooms through a gap penetrating inside and outside the building. The dirty air in the room is exhausted to the outside, and the other room is exhausted to the common space, so that the dirty air in the other room is exhausted through the common space. Air is supplied through a gap penetrating inside and outside, and exhausted from all rooms and common spaces, so that all rooms and common spaces are replaced with fresh air.

Accordingly, unlike the conventional ventilation system, there is no need to provide an opening or a hood on the outer wall, so that construction costs and member costs are low, and there is no risk of impairing the appearance. Also, since there is no need to provide a duct or the like for ventilation, the construction cost is low, and there is no risk of damaging health.

In the ventilation system according to the present invention, for example, a room such as a kitchen, which is most polluted with air in daily life, is selected as the first room, so that the kitchen or the like is best ventilated. it can. Also, as the second room,
For example, by selecting a room, such as a bathroom or a toilet, where air is relatively polluted in daily life, the bathroom, the toilet, or the like can be ventilated. Further, the room can be ventilated by selecting, for example, a room as the third room.

In the ventilation system according to the third aspect of the present invention, for example, a room such as a kitchen which is most polluted with air in daily life is selected as the first room, so that the kitchen or the like is best ventilated. it can. Also, as the second room,
For example, by selecting a room, such as a bathroom or a toilet, where air is relatively polluted in daily life, the bathroom, the toilet, or the like can be ventilated. In addition, the living room can be ventilated by selecting, for example, a living room or the like as the third and fourth rooms.

Further, in the ventilation system according to the present invention, air is supplied from the outside to the common space and all the rooms requiring ventilation through a gap penetrating the inside and outside of the building. A first forced exhaust means is provided in one of the rooms for exhausting to the outside through the room, and a second forced exhaust means is provided for exhausting from the other room where the first forced exhaust means is not provided to the common space. Since the second forced exhaust means is provided between the other room where the first forced exhaust means is not provided and the common space, the common space is operated by operating the first and second forced exhaust means. And all rooms that need ventilation can be ventilated.

In the ventilating method according to the present invention, since the first and second forced exhaust means are constantly operated, fresh outside air is always supplied to the common space and ventilation which requires ventilation. Room.

In the ventilation system according to the present invention, air is supplied from the outside to the common space and all the rooms requiring ventilation through a gap penetrating the inside and outside of the building. A first forced exhaust means is provided in one of the rooms for exhausting to the outside through the room, and a second forced exhaust means is provided for exhausting from the other room where the first forced exhaust means is not provided to the common space. A second forced exhaust means is provided between the other room where the first forced exhaust means is not provided and the common space, and all the rooms which need upper-level ventilation are provided with a room for a person in the room. Detecting means for detecting the presence is provided, and first and second detection means are provided in accordance with a result of the detecting means.
Since the control means for increasing or decreasing the exhaust amount of one of the forced exhaust means is provided, it is possible to efficiently ventilate the room where the person is present by detecting the presence of the person in the room by the detecting means. it can.

Further, in the ventilation method according to the present invention, the first forced exhaust means is constantly operated by using the ventilation system according to the sixth invention, and the detecting means detects the presence of a person in the room. When the detection is performed, the amount of exhaust of the first forced exhaust means is increased to exhaust the room in which the detecting means is provided, or the second forced exhaust means is operated. By detecting the presence of a person in the room by the means, the room where the person exists can be efficiently ventilated.

In the ventilating method according to the present invention, the first and second forced exhaust means are constantly operated, and when the detecting means detects the presence of a person in the room, the detecting means is activated. The first or second to exhaust the room provided
, The exhaust volume of the forced exhaust means is increased, so that the presence of a person in the room is detected by the detection means, whereby the room where the person is present can be efficiently ventilated.

In the ventilation system according to the ninth aspect of the present invention, the opening area of the gap passing through the inside and outside of the building is an average of 2 to 6 square centimeters per square meter of the floor area of the building. And
An appropriate amount of fresh outdoor air is drawn into the common space and room through such gaps.

According to a tenth aspect of the present invention, there is provided a ventilation method for a building having a plurality of rooms and a common space such as a corridor, a staircase hall, etc. adjacent to each of the rooms, wherein All the rooms are supplied with air through a gap penetrating the inside and outside of the building, and are forcibly exhausted from the common space to the outside through any room, and exhausted from the other rooms to the common space. The rooms and common spaces are replaced by fresh outdoor air.

According to the ventilation method of the present invention, since the opening area of the gap penetrating the inside and outside of the building averages 2 to 6 square centimeters per square meter of the building outer surface, the gap is not conspicuous. An appropriate amount of fresh outdoor air is drawn into the common space and all rooms through such gaps. In the ventilation system according to the first aspect of the present invention, a conventional ventilation system is provided.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing an example of a ventilation system according to the present invention.

FIG. 2 is a sectional view of an inter-room fan used in the ventilation system of the present invention shown in FIG.

FIG. 3 is an explanatory view showing a ventilation mode on the second floor of the ventilation system of the present invention shown in FIG. 1;

FIG. 4 is an explanatory diagram showing another example of the ventilation system of the present invention.

FIG. 5 is an explanatory view showing still another example of the ventilation system of the present invention.

FIG. 6 is an explanatory view showing still another example of the ventilation system according to the present invention.

FIG. 7 is an explanatory diagram showing still another example of the ventilation system of the present invention.

FIG. 8 is an explanatory view showing still another example of the ventilation system according to the present invention.

FIG. 9 is an explanatory view showing still another example of the ventilation system according to the present invention.

FIG. 10 is an explanatory view showing still another example of the ventilation system according to the present invention.

FIG. 11 is a graph showing the amount of exhaust air, the amount of fresh outside air flowing in, and the amount of indoor air pollutants over time by a ventilation fan and an inter-room fan.

FIG. 12 is a graph showing the amount of exhaust air, the amount of fresh inflow air, and the amount of indoor air pollutants over time by the ventilation fan and the inter-room fan.

FIG. 13 is a graph showing the displacement of the ventilation fan and the inter-room fan and the lapse of time of the operation of the sensor.

FIG. 14 is a graph showing the displacement of the ventilation fan and the inter-room fan and the time lapse of the operation of the sensor.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Living dining kitchen (LDK) 110 Exterior wall 111 Ventilation fan 112 Door 113 Opening 12 Bathroom combined with toilet (UT room) 120 Exterior wall 121 Ventilation fan 122 Door 123 Opening 13 Living room 130 Exterior wall 131 Door 132 Opening 14 Corridor / stair hall (Common space) 21 Living room 210 Outer wall 211 Boundary wall 212 Door 213 Opening 22 Living room 221 Boundary wall 222 Door 223 Opening 23 Corridor / stair hall (common space) 231 Ventilation fan 24 Inter-room fan 25 Second floor toilet 251 Ventilation fan 241, 242 Sensor 243, 244 Electric wire

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yoji Mie 32 Wadai, Tsukuba, Ibaraki Prefecture Sekisui Chemical Co., Ltd. (72) Inventor Masaru Matsueda 3-4-7 Toranomon, Minato-ku, Tokyo Sekisui Chemical Co., Ltd. In company

Claims (11)

[Claims] 1. A ventilation system for a multi-story building having a plurality of rooms and a common space such as a corridor, a staircase hall, etc. adjacent to these rooms, wherein the common space and ventilation are required from outside. In order to supply air to all the rooms through a gap penetrating the inside and outside of the building, and to exhaust air from the common space to the outside through any of the rooms, provision of forced exhaust means provided in any of the rooms, and provision of forced exhaust means A ventilating system comprising: an exhaust unit provided between the common room and another room not provided with a forced exhaust unit to exhaust air from another room not provided to the common space. 2. A first room and a second room facing the outside, respectively.
Room and the third floor on the higher floor than the first room facing the outside
Room, and other rooms, adjacent to the first to third or other rooms, a corridor communicating with the multi-story floor, a ventilation system for a multi-story building having a common space such as a staircase hall, In the first room, make the first room the most negative pressure in the building,
A first forcible exhaust unit is also provided for exhausting the third room to a negative pressure through the common space and exhausting the air outdoors. The second room has a negative pressure in the second room more than the common space. A second forced exhaust means for exhausting air to the outside; a third forced exhaust means for exhausting air in the third room to a common space in the third room; a first and a second forced exhaust means; A ventilation system characterized in that some ventilation means are supplied with air through a gap penetrating inside and outside the building. 3. A first room and a second room, each facing the outside.
Room and the third floor, facing the outdoors, on a higher floor
Room, a fourth room facing the outside, on the same floor or lower floor as the first room, and other rooms, a corridor, a stair hall adjacent to each of these rooms, and communicating with the multi-story floor A multi-storey building having a common space, such as: a first room, wherein the first room in the building has the most negative pressure;
A first forced exhaust means is also provided for exhausting the third and fourth rooms to a negative pressure through the common space and exhausting to the outside. The second room is set to a negative pressure in the second room more than the common space. ,
A second forced exhaust means for exhausting air to the outside is provided, a third forced exhaust means for exhausting air in the third room to a common space is provided in the third room, and a third forced exhaust means for exhausting air in the third room to the common space is provided. Fourth forced exhaust means for exhausting the air in the fourth room to the common space is provided, and the negative pressure generated by the first and second forced exhaust means supplies air to each room through a gap penetrating inside and outside the building. Ventilation system characterized by the following. 4. A ventilation system for a multi-story building having a plurality of rooms and a common space such as a corridor or a staircase adjacent to the rooms, wherein the common space and the ventilation are required from outside. In order to supply air to all the rooms through a gap penetrating the inside and outside of the building, and to exhaust air from the common space to the outside through any of the rooms, a first forced exhaust means is provided in any of the rooms, A second forced exhaust means is provided between the common space and the other room where the first forced exhaust means is not provided so as to exhaust from another room where no forced exhaust means is provided to the common space. A ventilation system characterized by being provided. 5. A ventilation method using the ventilation system according to claim 4, wherein the first and second forced exhaust means are constantly operated. 6. A ventilation system for a multi-story building having a plurality of rooms and a common space such as a corridor, a staircase hall, etc. adjacent to these rooms, wherein the common space and ventilation are required from outside. In order to supply air to all the rooms through a gap penetrating inside and outside the building, and to exhaust air from the common space to the outside through any of the rooms, a first forced exhaust means is provided in any of the rooms, All the rooms requiring ventilation are provided with detection means for detecting the presence of a person in the room, and the amount of one of the first and second forced exhaust means is reduced according to the result of the detection means. A ventilation system comprising a control means for increasing and decreasing. 7. The room provided with the detecting means when the first forced exhaust means is constantly operated using the ventilation system according to claim 6, and the detecting means detects the presence of a person in the room. A ventilation method characterized by increasing the amount of exhaust of the first forced exhaust means or operating the second forced exhaust means in order to exhaust the air. 8. The ventilation system according to claim 6, wherein the first and second forced exhaust means are constantly operated, and the detecting means is provided when the detecting means detects the presence of a person in the room. A ventilating method characterized by increasing the amount of exhaust of the first or second forced exhaust means in order to exhaust an occupied room. 9. The ventilation system according to claim 1, wherein the opening area of the gap passing through the inside and outside of the building has an average of 2 to 6 square centimeters per square meter of the floor area of the building. 10. A ventilation method for a multi-story building having a plurality of rooms and a common space such as a corridor or a staircase adjacent to each of the rooms, wherein the common space and the ventilation are required from outside. Air is supplied to all the rooms through a gap penetrating the inside and outside of the building, and is forcibly exhausted from the common space to the outside through any room, and is exhausted from another room to the common space. Ventilation method. 11. The ventilation method according to claim 10, wherein the opening area of the gap passing through the inside and outside of the building has an average of 2 to 6 square centimeters per square meter of the floor area of the building.